import re

text = """

放入需要检查的证明网页

"""

pattern = "(?<=',').*?(?=','issueProof')"
matches = re.findall(pattern, text)
import 查询事项是否存在
for match in matches:
    re= 查询事项是否存在.query(match)
    if re==0:

        print(match)
